javascript remove from array by index
//Remove specific value by index
array.splice(index, 1);javascript remove from array by index
//Remove specific value by index
array.splice(index, 1);js remove from array by value
const index = array.indexOf(item);
if (index !== -1) array.splice(index, 1);array remove index from array
const array = [2, 5, 9];
//Get index of the number 5
const index = array.indexOf(5);
//Only splice if the index exists
if (index > -1) {
//Splice the array
array.splice(index, 1);
}
//array = [2, 9]
console.log(array);remove item at index in array javascript
// remove element at certain index without changing original
let arr = [0,1,2,3,4,5]
let newArr = [...arr]
newArr.splice(1,1)//remove 1 element from index 1
console.log(arr) // [0,1,2,3,4,5]
console.log(newArr)// [0,2,3,4,5]how to remove an element from an array javascript
let myArray = [3, 1, 4, 1, 5, 2];
let unwantedElementIndex = 3;
// This line removes 1 element from the array, starting at the unwantedElementIndex
myArray.splice(unwantedElementIndex, 1);
// If you have your custom test to remove an element just go for
// Higher-Order functions
let myArray = ["[email protected]", "wrong@[email protected]", "..."];
const emailRegexp = ____;
let allCorrectEmails = myArray.filter(element => emailRegexp.test(element));Copyright © 2021 Codeinu
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